Added options with blacklist and theme. Created a function for changing the extension icon color.

assets/js/components/WakaTime.react.js

@@ -3,11 +3,22 @@ var React = require("react");
 var NavBar = require('./NavBar.react');
 var MainList = require('./MainList.react');
 
+var changeExtensionIcon = require('../helpers/changeExtensionIcon');
+
 class WakaTime extends React.Component
 {
     componentDidMount()
     {
-
+      chrome.storage.sync.get({
+        theme: 'light'
+      }, function(items) {
+        if(items.theme == 'light') {
+          changeExtensionIcon();
+        }
+        else {
+          changeExtensionIcon('white');
+        }
+      });
     }
 
     render()